(19)

(11)

EP 2 396 071 A1

(12)

(43) Date of publication: 21.12.2011 Bulletin 2011/51 (21) Application number: 10701591.9 (22) Date of filing: 15.01.2010

(51) International Patent Classification (IPC):  A61N 1/05(2006.01) (86) International application number: PCT/US2010/021116 (87) International publication number: WO 2010/083361 (22.07.2010 Gazette 2010/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 15.01.2009 US 354265 (71) Applicant: MEDTRONIC, INC. Minneapolis, MN 55432 (US)	(72) Inventor: WILLIAMS, Terrell, M. Brooklyn Park Minnesota 55444 (US) (74) Representative: Hughes, Andrea Michelle  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)